C₂₀H₂₁NO₄

Base Information

Chemical Name:C₂₀H₂₁NO₄
CAS No.:1408236-87-2
Molecular Formula:C₂₀H₂₁NO₄
Molecular Weight:339.391
Hs Code.:

C<sub>20</sub>H<sub>21</sub>NO<sub>4</sub>

Synonyms:C₂₀H₂₁NO₄

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Chemical Property of C₂₀H₂₁NO₄

Chemical Property:

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Technology Process of C₂₀H₂₁NO₄

There total 6 articles about C₂₀H₂₁NO₄ which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 1408236-94-1
C₂₁H₂₇NO₇

: 1408236-87-2
C₂₀H₂₁NO₄

Guidance literature:: Multi-step reaction with 8 steps

1.1: triethylamine / dichloromethane / 2 h / 0 °C

2.1: caesium carbonate / N,N-dimethyl-formamide / 20 h / 100 °C

3.1: potassium hydroxide / water; ethanol / 2 h / 120 °C

3.2: 4 h / 20 °C

4.1: dimethylsulfide borane complex / tetrahydrofuran / 12 h / 0 °C

5.1: iodine; potassium carbonate / methanol; water / 24 h / 20 °C

6.1: 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride / benzene / 2 h / 90 °C

7.1: tri-n-butyl-tin hydride; Dess-Martin periodane / dichloromethane / 3 h / 0 - 20 °C / Inert atmosphere

8.1: potassium carbonate / methanol / 2 h / 0 - 20 °C / Inert atmosphere

With 2,2'-azobis(isobutyronitrile); dimethylsulfide borane complex; iodine; tri-n-butyl-tin hydride; potassium carbonate; caesium carbonate; Dess-Martin periodane; triethylamine; potassium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; benzene; 8.1: |Seyferth-Gilbert Homologation;
DOI:10.1021/ol3027945

Reference yield:

: 1408236-88-3
C₂₁H₂₅NO₆

: 1408236-87-2
C₂₀H₂₁NO₄

Guidance literature:: Multi-step reaction with 6 steps

1.1: potassium hydroxide / water; ethanol / 2 h / 120 °C

1.2: 4 h / 20 °C

2.1: dimethylsulfide borane complex / tetrahydrofuran / 12 h / 0 °C

3.1: iodine; potassium carbonate / methanol; water / 24 h / 20 °C

4.1: 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride / benzene / 2 h / 90 °C

5.1: tri-n-butyl-tin hydride; Dess-Martin periodane / dichloromethane / 3 h / 0 - 20 °C / Inert atmosphere

6.1: potassium carbonate / methanol / 2 h / 0 - 20 °C / Inert atmosphere

With 2,2'-azobis(isobutyronitrile); dimethylsulfide borane complex; iodine; tri-n-butyl-tin hydride; potassium carbonate; Dess-Martin periodane; potassium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; water; benzene; 6.1: |Seyferth-Gilbert Homologation;
DOI:10.1021/ol3027945

Reference yield:

: 1408236-96-3
C₁₉H₂₀INO₆

: 1408236-87-2
C₂₀H₂₁NO₄

Guidance literature:: Multi-step reaction with 5 steps

1: dimethylsulfide borane complex / tetrahydrofuran / 12 h / 0 °C

2: iodine; potassium carbonate / methanol; water / 24 h / 20 °C

3: 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride / benzene / 2 h / 90 °C

4: tri-n-butyl-tin hydride; Dess-Martin periodane / dichloromethane / 3 h / 0 - 20 °C / Inert atmosphere

5: potassium carbonate / methanol / 2 h / 0 - 20 °C / Inert atmosphere

With 2,2'-azobis(isobutyronitrile); dimethylsulfide borane complex; iodine; tri-n-butyl-tin hydride; potassium carbonate; Dess-Martin periodane; In tetrahydrofuran; methanol; dichloromethane; water; benzene; 5: |Seyferth-Gilbert Homologation;
DOI:10.1021/ol3027945